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Picture of Modicon M171 Optimized expansion 22 I/Os
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TM171EO22R

Modicon M171 Optimized expansion 22 I/Os

$296.45 INC GST
Available for Shipping : 21-Jan-2026
Modicon M171 Optimized expansion 22 I/Os
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Manufacturer: Schneider Electric
Delivery date: 21-Jan-2026
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Product Data Sheet
This I/O expansion module is part of the Modicon M171/M172/M173 range, a control offer for HVAC/Pumping applications. This additional I/O module offers 6 digital inputs, 5 analog inputs, 6 digital outputs, and 5 analog outputs. It has one port for LAN expansion bus. This module offers Additional I/O to the M171 controller. DIs are volt-free, and AIs are are NTC, 0-20mA, 4-20mA, 0-10V, 0-5V, 0-1V. DOs are 2A 250Vac, or open collector, AOs are open collector PPM/PWM or 0-10V. It measures 70.2mm wide, 61.6mm deep, 87mm high, and weighs 0.385kg. This controller is designed for HVAC solutions. It is certified by CE, CSA, EAC, RCM, and CuRus. It is compatible with M171 optimized controllers. It is sold in a 1-piece package. It mounts on 35mm DIN rail. Modicon M171/M172/M173 controllers are designed for complete automation solutions for HVAC and Pumping machines. Modicon M171/M172/M173 range is for OEMs and helps to maximize profitability or energy efficiency in HVAC applications.

Products specifications

Attribute name Attribute value
Main
Product specific application HVAC and pumping solution
Discrete input number 6
Analogue input number 2 configurable, 3 analog input NTC
Discrete output current 2 A for relay
Number of inputs/outputs 22
Product or component type additional I/O module
Discrete output number 2 for relay outputs SPST with independent common, 3 for relay outputs SPST with same common, 1 for open collector
Range of product Modicon M171/M172
Analogue output number 2 PWM/PPM, range: 20 kHz, 12 V, 35 mA, 3 voltage, range: 0...10 V
Complementary
Discrete input logic sink or source (positive/negative)
Input/output number 6 digital output(s), 5 analog input(s), 6 digital input(s), 5 analog output(s)
Depth 61.6 mm
Analogue input type voltage 0...1 V,  current 0...20 mA/4...20 mA, NTC temperature probe - 50...100 °C - resolution: 0.1 °C,  voltage 0...10 V,  voltage 0...5 V (ratiometric)
Width 70.2 mm
Sensor power supply 5-5 V DC at 20 mA, 12-12 V DC at 85 mA
[Us] rated supply voltage 24 V, 12...24 V
Number of port 1 LAN expansion bus
Net weight 0.19 kg
Height 87 mm
Contacts usage volt-free contacts
Packing Units
Unit Type of Package 1 1
Number of Units in Package 1 1
Package 1 Height 13.000 cm
Package 1 Width 9.100 cm
Package 1 Length 18.500 cm
Package 1 Weight 263.000 g
Unit Type of Package 2 2
Number of Units in Package 2 6
Package 2 Height 15.000 cm
Package 2 Width 30.000 cm
Package 2 Length 40.000 cm
Package 2 Weight 1.798 kg

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